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ENCYCLOPÆDIA
Mauritiana
Marine Fauna

The marine fauna is extremely rich in variety and comprises a large number of fish, shells, sea-urchins, molluscs and crustaceans.

There is a wide range of marine fauna such as rays, eels, game fish, dolphins and a variety of shark.

Mauritius is almost completely encircled by one of the world's finest coral reefs. Through millions of years this beautiful cluster of calciferous polyps has built upon a precarious foothold on the shallow sea bed near shore to form a veritable underwater world - a vast world in which thousands of marine species live, eat, work and die allowing the whole universe to proliferate. A coral reef can only exist in sea water so at river estuaries and at the sea's surface it perishes. As the great ocean waves break upon its extremities a translucent white pencil-thin white line divides the deep blue of the Indian Ocean from the iridescent green of the lagoon. It is this phenomenon occurring at distances varying from nothing to a few kilometres from the shore which is the unfailing characteristic of a real tropical island. Brightly coloured fish weave though coral gardens, great moray eels lurk in caves and crustaceans scavenge the reef amidst a riot of ornamental underwater vegetation. Organised diving trips to selected sites can be arranged though hotel diving schools who provide equipment. The snorkeller can easily sample some of the ocean delights and need not stray far to gaze casually upon the amusing antics of delightful trumpet, clown and box fish to name but a few of the hundreds of reef residents. The less adventurous can experience lagoon life by taking a trip in a glass bottom boat.

In spite of the abundance of marine life, the reef has been overexploited in recent years. Studies show that there has been a dramatic decline in population attributable to pollution from domestic and touristic outlets, coral attacks by the Crown of Thorns starfish and illegal dynamiting of the reef by fishermen. The Mauritius Marine Conservation Group is an organisation set up to highlight public awareness of damage to the coral reef by educating schoolchildren and the public by slide shows and lectures. Their work includes the creation of artificial reefs by sinking barges in areas where the reef has been destroyed thus providing a fresh habitat for marine life. Shell collecting has also resulted in a population decline and the sale of shells from Mauritian beaches has been banned. Exportation by tourists is limited to tree. Shells found in shops or those offered for sale by beach vendors are likely to have been imported from the Philippines. The best time to collect shells is immediately after a cyclone. However, certain species of the cone and cowrie shells emit poisonous infections if trodden upon or handled carelessly.

 
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Fauna

Table of Content
Mammals
Reptiles
Fresh Water Fauna
Marine Fauna
 

Birds

Table of Content
Endemic Birds
Extinct Birds
Bird Watching Sites

 


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Links

Mauritius Marine Conservation Society
Mauritius Underwater Group
The Mauritius Wildlife Foundation
UN System-Wide Earthwatch Web Site
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